ADS7066 datasheet(11/48 Pages) TI

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6.9 Typical Characteristics (continued)

at TA = 25°C, AVDD = 5 V, DVDD = 1.65 V to 5.5 V, and maximum throughput (unless otherwise noted)

Free-Air Temperature (°C)

-40

-7

125

3.2

4.4

5.6

6.8

C006

Figure 6-9. Offset Error vs Temperature

Free-Air Temperature (qC)

-40

-7

125

0.001

0.002

0.003

0.004

0.005

C007

Figure 6-10. Gain Error vs Temperature

External Reference Voltage (V)

2.5

3.5

4.5

1.5

2.5

3.5

C016

Figure 6-11. Offset Error vs External Reference Voltage

External Reference Voltage (V)

2.5

3.5

4.5

-0.0015

-0.0005

0.0005

0.0015

0.0025

0.0035

C017

Figure 6-12. Gain Error vs External Reference Voltage

2500

5000

7500

10000

12500

15000

17500

20000

22500

25000

699

5687

18508

13131

2899

245

C001

Standard deviation = 1.05 LSB

Figure 6-13. DC Input Histogram

Frequency (Hz)

25000

50000

75000

100000

125000

-160

-120

-80

-40

C008

fIN = 2 kHz, SNR = 86.7 dBFS, THD = –97 dB

Figure 6-14. Typical FFT

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ADS7066

SBAS928B – FEBRUARY 2020 – REVISED MAY 2023

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